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[Post New]7 Feb 2007 20:41:14 IST
    Subject: Re:kinetic energy
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Aatish (2308)

Blazing goIITian

Olaaa!! Perrrfect answer. 414  [533 rates]
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since  F=ma;
 
therefore
 
As resultant force is 5N by vector law of llgm
 
therefore
 
a= .5 m/sec
 
therefore velocity after 10 secs is 5 m/sec
 
Now K.E is .5mv2
 Therefore
 
k.e is125 Joule
 
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